<template>
  <view class="count-down" :class="customClass">
    <view
      class="count-down__time"
      :style="'background-color:' + bgColor + ';color:' + textColor + ';'"
      v-if="isDay === true"
    >
      {{ day }}
    </view>
    <view class="count-down__split-text" v-if="dayText" :style="'color:' + timeColor + ';'">
      {{ dayText }}
    </view>
    <view class="count-down__time" :style="'background-color:' + bgColor + ';color:' + textColor + ';'">
      {{ hour }}
    </view>
    <view class="count-down__split-text" v-if="hourText">{{ hourText }}</view>
    <view class="count-down__time" :style="'background-color:' + bgColor + ';color:' + textColor + ';'">
      {{ minute }}
    </view>
    <view class="count-down__split-text" v-if="minuteText">{{ minuteText }}</view>
    <view class="count-down__time" :style="'background-color:' + bgColor + ';color:' + textColor + ';'">
      {{ second }}
    </view>
    <view class="count-down__split-text" v-if="secondText">{{ secondText }}</view>
  </view>
</template>

<script>
export default {
  name: 'countDown',
  props: {
    dayText: {
      type: String,
      default: '',
    },
    hourText: {
      type: String,
      default: '：',
    },
    minuteText: {
      type: String,
      default: '：',
    },
    secondText: {
      type: String,
      default: '',
    },
    timestamp: {
      type: Number,
      default: 0,
    },
    isDay: {
      type: Boolean,
      default: false,
    },
    bgColor: {
      type: String,
      default: '',
    },
    textColor: {
      type: String,
      default: '',
    },
    timeColor: {
      type: String,
      default: '',
    },
    customClass: {
      type: String,
      default: '',
    },
  },
  data: function () {
    return {
      day: '00',
      hour: '00',
      minute: '00',
      second: '00',
    };
  },
  created: function () {
    this.show_time();
  },
  mounted: function () {},
  methods: {
    show_time() {
      let that = this;

      function runTime() {
        //时间函数
        let intDiff = that.timestamp - Date.parse(new Date()) / 1000; //获取数据中的时间戳的时间差；
        let day = 0,
          hour = 0,
          minute = 0,
          second = 0;
        if (intDiff > 0) {
          //转换时间
          if (that.isDay === true) {
            day = Math.floor(intDiff / (60 * 60 * 24));
          } else {
            day = 0;
          }
          hour = Math.floor(intDiff / (60 * 60)) - day * 24;
          minute = Math.floor(intDiff / 60) - day * 24 * 60 - hour * 60;
          second = Math.floor(intDiff) - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60;
          if (hour <= 9) hour = '0' + hour;
          if (minute <= 9) minute = '0' + minute;
          if (second <= 9) second = '0' + second;
          that.day = day;
          that.hour = hour;
          that.minute = minute;
          that.second = second;
        } else {
          that.day = '00';
          that.hour = '00';
          that.minute = '00';
          that.second = '00';
        }
      }
      runTime();
      setInterval(runTime, 1000);
    },
  },
};
</script>

<style>
.count-down {
  display: flex;
}
.count-down__time {
  border-radius: 4rpx;
  height: 36rpx;
  width: 36rpx;
  font-size: 22rpx;
  line-height: 36rpx;
  font-weight: 500;
  text-align: center;
}
.count-down__split-text {
  width: 12rpx;
}
</style>
